Digital cameras have the battery life of the battery that is in the camera - which is to say, you can buy a longer lasting battery (or a backup battery) for your camera, no matter what the camera is. The Canon IXUS 80 IS has the longest battery life.
It depends on how you use and maintain it.
The Samsung Galaxy Note II (T-Mobile) has the longest battery life for a smartphone. The website Lap Top Mag offers a look at the top 10 smartphones known to have the longest battery life.
Sanyo and Samsung both make camcorders that have the longest battery life.
The Thinkpad T420 is one of the longest lasting laptops in terms of battery life. Sony Vaio S or Z can have an extended battery sheet (adding almost no thickness) that will make your laptop have ridiculously long battery life.
The larger PDA phones such as the Blackberry tested out as having the longest battery life.
All of the radio models share the same battery life.
The acer netbook claims to have 8 hours of battery life, which is far more then most laptops,
The best rechargable battery with the longest life span would have to be the new Hybrio rechargable batteries .
Any of the digital atomic clocks have a battery life ranging from 2-3 years.
Sony D-EJ011 Walkman CD Player has a long battery life.
Energizer: They been doing this the longest and have the best batteries to use for recharging
The Canon entry-level camcorders have great battery life, and you can buy external battery packs to add even more juice.
Galaxy note 2
hi....there is no such camcorde with longest battery life in the market.ok ...u kno why?b coz if they make such battery who will buy the other batterys from them...ok.so its a marketing strategy ....
currently I'm using macbook white 2010 the battery lasts upto 6hrs...
Lithium Ion (Li ion)
The D battery that last the longest is Energizer.
depends on the how u maintain the laptop and don't charge the battery for hours to gether when ever it necessary keep the charge >
Try the Sony Walkman MZ-R91 Personal MiniDisc Player since it claims to have the worlds longest lasting battery life.
The phone T700+ has an 8.8 Ah battery claiming to last 150 days in standby.
The Timex watches all sip power and can go for a few years on a single watch battery.
Nokia 1610 whit liquid methane battery,stand up over a mount!